Web platform features explorer - Upgrade insecure requests

Web platform features explorer

Tags: http Groups: Security

The Upgrade-Insecure-Requests HTTP request header tells the server that the response should redirect to a secure (HTTPS) resource.

Learn more

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Specifications

Upgrade Insecure Requests, from Web Application Security Working Group (W3C).

Browser support

Chrome 44 Released on 2015-07-21
Chrome Android 44 Released on 2015-07-29
Edge 17 Released on 2018-04-30
Firefox 48 Released on 2016-08-02
Firefox for Android 48 Released on 2016-08-02
Safari 10.1 Released on 2017-03-27
Safari on iOS 10.3 Released on 2017-03-27

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